public List <IntPtr> GetAllChildHandles()
{
List <IntPtr> childHandles = new List <IntPtr>();
GCHandle gcChildhandlesList = GCHandle.Alloc(childHandles);
IntPtr pointerChildHandlesList = GCHandle.ToIntPtr(gcChildhandlesList);
try {
NativeMethods.EnumWindowProc childProc = new NativeMethods.EnumWindowProc(EnumWindow);
NativeMethods.EnumChildWindows(this._MainHandle, childProc, pointerChildHandlesList);
} finally {
gcChildhandlesList.Free();
}
return(childHandles);
}
public List<IntPtr> GetAllChildHandles()
{
List<IntPtr> childHandles = new List<IntPtr>();
GCHandle gcChildhandlesList = GCHandle.Alloc(childHandles);
IntPtr pointerChildHandlesList = GCHandle.ToIntPtr(gcChildhandlesList);
try {
NativeMethods.EnumWindowProc childProc = new NativeMethods.EnumWindowProc(EnumWindow);
NativeMethods.EnumChildWindows(this._MainHandle, childProc, pointerChildHandlesList);
} finally {
gcChildhandlesList.Free();
}
return childHandles;
}
static List <IntPtr> GetAllChildHandles(IntPtr main)
{
var childHandles = new List <IntPtr>();
var gcChildhandlesList = GCHandle.Alloc(childHandles);
try
{
var pointerChildHandlesList = GCHandle.ToIntPtr(gcChildhandlesList);
NativeMethods.EnumWindowProc childProc = new NativeMethods.EnumWindowProc(EnumWindow);
NativeMethods.EnumChildWindows(main, childProc, pointerChildHandlesList);
}
finally
{
gcChildhandlesList.Free();
}
return(childHandles);
}
private static bool IsForegroundWindow(Form parent)
{
IntPtr fgWindow = NativeMethods.GetForegroundWindow();
if (parent.Handle == fgWindow) return true; // main form is FG
//foreach (Form f in Application.OpenForms) { if (f.Handle == fgWindow) return true; }
List<IntPtr> result = new List<IntPtr>();
GCHandle listHandle = GCHandle.Alloc(result);
try
{
NativeMethods.EnumWindowProc childProc = new NativeMethods.EnumWindowProc(EnumWindow);
NativeMethods.EnumChildWindows(parent.Handle, childProc, GCHandle.ToIntPtr(listHandle));
}
finally
{
if (listHandle.IsAllocated)
listHandle.Free();
}
return result.Count > 0;
}
public static extern bool EnumChildWindows(IntPtr window, NativeMethods.EnumWindowProc callback, IntPtr i);
